Home / 118,504,220.74-163,536,063.78-66,294,128.32

Finding the Fourth Proportional to 118,504,220.74, 163,536,063.78 and 66,294,128.32

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Solution

The fourth proportional to 118,504,220.74, 163,536,063.78 and 66,294,128.32 is: 91,486,030.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,504,220.74 : 163,536,063.78 = 66,294,128.32 : x
  2. Step 2: Convert to fraction form
    118,504,220.74/163,536,063.78 = 66,294,128.32/x
  3. Step 3: Cross multiply
    118,504,220.74x = 163,536,063.78 × 66,294,128.32
  4. Step 4: Simplify right side
    118,504,220.74x = 10,841,480,797,179,024
  5. Step 5: Solve for x
    x = 10,841,480,797,179,024/118,504,220.74
  6. Step 6: Final answer
    x = 91,486,030.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.